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2009 Specialized

Rockhopper Comp Disc 29

A 29″ aluminum frame hardtail crosscountry bike with mid-range components and avid mechanical disc brakes.
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FrameAluminum
SuspensionHardtail, 80mm
ForkRockShox
Wheels29″ Aluminum
Drivetrain3 × 8
GroupsetX5, X4
BrakesAvid Mechanical Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Rockhopper Comp Disc 29
Other Crosscountry bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

33 mph

Rockhopper Comp Disc 29

27 mph

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Highest gear

(descending)

Reviews
BikeRadar
Specialized Rockhopper Pro Disc review

Jan 2008 · Guy Kesteven

With outstanding weight for the money, a long stretch on our 19in sample and easy-accelerating, fast-rolling tyres, this bike has your mind surging forward to summer race tracks.

Read Review

Geometry
Specs
Build
Frame

Specialized M4 Manipulated Alloy frame, 29"" geometry, fully butted, ORE DT, 2-piece forged adjustable dropouts, disc only

Fork

RockShox Dart 3 SL for 29"" wheel, 80mm, alloy steerer, preload and rebound adj. w/ LO, 13/15"": standard spring, all others: ""stiff"" spring, disc only

Travel80mm

Spring TypeCoil

Bottom Bracket

Shimano BB-ES25, Octalink spline, cartridge bearings, 68mm x 118mm

Headset

Specialized 1-1/8"" threadless, loose ball

Stem

Specialized 3D forged, 4-bolt, 7 degree rise, 31.8mm clamp

Handlebar

Specialized alloy, 31.8mm, 25mm rise, 640mm wide, 8 degree back sweep, 8 degree up, 3mm thick

Saddle

Specialized XC, Body Geometry, 143mm width, front and rear bumpers

Seatpost

Specialized alloy two bolt, micro adjust head, 30.9mm

TypeRigid

Pedals

Steel cage, composite body, 9/16""

Grips

Specialized Enduro, dual compound Kraton, no flange, 131mm

Groupset
Rear Derailleur

SRAM X-5, med. cage

Front Derailleur

Shimano Altus, 34.9mm clamp, top swing

Crank

Shimano FC-M36108, Octalink spline, replaceable rings

Shifters

SRAM X-4, 8-speed trigger

Cassette

SRAM PG-830, 8-speed, 11-32t

Chain

KMC X8 w/ reuseable Missing Link

Brakes

Front: Avid BB5, mechanical disc, caliper/adapter w/ 160mm G2 Clean Sweep rotor, Rear: Avid BB5, mechanical disc, caliper/adapter w/ 160mm G2 Clean Sweep rotor

TypeAvid Mechanical Disc

Brake Levers

Avid FR-5, alloy, two-finger, linear pull

Wheels
Rims

Specialized RHD 29"", double wall disc, pinned w/ eyelets, 28/32h

Spokes

1.8mm (15g) stainless

Front Hub

Specialized Hi Lo, forged alloy, double sealed, ground race, 28h

Rear Hub

Specialized, forged alloy, double sealed, ground race, cassette, QR, 32h

Tires

Front: Specialized Fast Trak Sport, 29x2.0"", 60TPI, wire bead, Rear: Specialized Fast Trak Sport, 29x2.0"", 60TPI, wire bead

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First added July 9

Last updated July 9

Not listed for 2,521 days